Cisco SFP-10G-SR-X module
The Cisco SFP-10G-SR-X is a multirate* 10GBASE-SR- 10GBASE-SW and OTU2/OTU2e module for extended operating temperature range. It supports a link length of 26m on standard Fiber Distributed Data Interface (FDDI)-grade Multimode Fiber (MMF). Using 2000MHz*km MMF (OM3)- up to 300m link lengths are possible. Using 4700MHz*km MMF (OM4)- up to 400m link lengths are possible.